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RU2008134994A - ELECTRODE MATERIAL AND ITS APPLICATION - Google Patents

ELECTRODE MATERIAL AND ITS APPLICATION Download PDF

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RU2008134994A
RU2008134994A RU2008134994/09A RU2008134994A RU2008134994A RU 2008134994 A RU2008134994 A RU 2008134994A RU 2008134994/09 A RU2008134994/09 A RU 2008134994/09A RU 2008134994 A RU2008134994 A RU 2008134994A RU 2008134994 A RU2008134994 A RU 2008134994A
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component
electrode material
material according
suspension
solution
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RU2008134994/09A
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Russian (ru)
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Мохан МЕНОН (DK)
Мохан МЕНОН
Петер Хальвор ЛАРСЕН (DK)
Петер Хальвор ЛАРСЕН
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Данмаркс Текниске Университет (Dk)
Данмаркс Текниске Университет
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Publication of RU2008134994A publication Critical patent/RU2008134994A/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8605—Porous electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
    • H01M4/8652—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites as mixture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/9041—Metals or alloys
    • H01M4/905—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC
    • H01M4/9066—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC of metal-ceramic composites or mixtures, e.g. cermets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • H01M2008/1293—Fuel cells with solid oxide electrolytes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inert Electrodes (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Fuel Cell (AREA)

Abstract

1. Электродный материал, получаемый способом, включающим стадии: ! (a) получение раствора предшественника или суспензии первого компонента, где указанный раствор или суспензия содержит растворитель, ! (b) получение частиц первого компонента и заключение указанных частиц в пористую структуру второго компонента смешиванием и последующим нагреванием, сушкой или центрифугированием раствора или суспензии, или порошка второго компонента с раствором предшественника или суспензией указанного первого компонента, где указанный второй компонент имеет пористую структуру со средним диаметром пор от 2 до 1000 нм. ! 2. Электродный материал по п.1, где второй компонент на стадии (b) получают в виде суспензии, которую получают смешиванием порошка указанного второго компонента, имеющего пористую структуру со средним диаметром пор от 2 до 100 нм, с растворителем. ! 3. Электродный материал по п.2, где агломераты второго компонента получают изменением рН объединенного раствора или суспензии со стадии (b). ! 4. Электродный материал по п.2, где указанная суспензия второго компонента содержит агломераты указанного второго компонента, которые получают изменением рН указанного раствора или суспензии. ! 5. Электродный материал по п.1, где первый и второй компонент выбирают из группы, включающей: анодные материалы, катодные материалы и электролитические материалы. ! 6. Электродный материал по п.5, где анодный материал выбирают из группы, включающей композиции, содержащие NiO и/или легированную двуокись циркония и/или легированную двуокись церия, в чистом виде или в смеси с Аl2О3, TiO2, Сr2O3, МgО, или анодным материалом является материал, выбранный из группы, в�1. The electrode material obtained by a method comprising the steps of:! (a) preparing a solution of a precursor or suspension of the first component, wherein said solution or suspension contains a solvent! (b) obtaining particles of the first component and enclosing said particles in the porous structure of the second component by mixing and then heating, drying or centrifuging the solution or suspension or powder of the second component with a precursor solution or suspension of said first component, wherein said second component has a porous structure with an average pore diameters from 2 to 1000 nm. ! 2. The electrode material according to claim 1, where the second component in stage (b) is obtained in the form of a suspension, which is obtained by mixing the powder of the specified second component having a porous structure with an average pore diameter of from 2 to 100 nm, with a solvent. ! 3. The electrode material according to claim 2, where the agglomerates of the second component are obtained by changing the pH of the combined solution or suspension from stage (b). ! 4. The electrode material according to claim 2, where the specified suspension of the second component contains agglomerates of the specified second component, which are obtained by changing the pH of the specified solution or suspension. ! 5. The electrode material according to claim 1, where the first and second component is selected from the group including: anode materials, cathode materials and electrolytic materials. ! 6. The electrode material according to claim 5, where the anode material is selected from the group comprising compositions containing NiO and / or doped zirconia and / or doped cerium dioxide, in pure form or in a mixture with Al2O3, TiO2, Cr2O3, MgO, or Anode material is a material selected from the group

Claims (15)

1. Электродный материал, получаемый способом, включающим стадии:1. The electrode material obtained by a method comprising the steps of: (a) получение раствора предшественника или суспензии первого компонента, где указанный раствор или суспензия содержит растворитель,(a) obtaining a solution of a precursor or suspension of the first component, where the specified solution or suspension contains a solvent, (b) получение частиц первого компонента и заключение указанных частиц в пористую структуру второго компонента смешиванием и последующим нагреванием, сушкой или центрифугированием раствора или суспензии, или порошка второго компонента с раствором предшественника или суспензией указанного первого компонента, где указанный второй компонент имеет пористую структуру со средним диаметром пор от 2 до 1000 нм.(b) obtaining particles of the first component and enclosing said particles in the porous structure of the second component by mixing and then heating, drying or centrifuging the solution or suspension or powder of the second component with a precursor solution or suspension of said first component, wherein said second component has a porous structure with an average pore diameters from 2 to 1000 nm. 2. Электродный материал по п.1, где второй компонент на стадии (b) получают в виде суспензии, которую получают смешиванием порошка указанного второго компонента, имеющего пористую структуру со средним диаметром пор от 2 до 100 нм, с растворителем.2. The electrode material according to claim 1, where the second component in stage (b) is obtained in the form of a suspension, which is obtained by mixing the powder of the specified second component having a porous structure with an average pore diameter of from 2 to 100 nm, with a solvent. 3. Электродный материал по п.2, где агломераты второго компонента получают изменением рН объединенного раствора или суспензии со стадии (b).3. The electrode material according to claim 2, where the agglomerates of the second component are obtained by changing the pH of the combined solution or suspension from stage (b). 4. Электродный материал по п.2, где указанная суспензия второго компонента содержит агломераты указанного второго компонента, которые получают изменением рН указанного раствора или суспензии.4. The electrode material according to claim 2, where the specified suspension of the second component contains agglomerates of the specified second component, which are obtained by changing the pH of the specified solution or suspension. 5. Электродный материал по п.1, где первый и второй компонент выбирают из группы, включающей: анодные материалы, катодные материалы и электролитические материалы.5. The electrode material according to claim 1, where the first and second component is selected from the group including: anode materials, cathode materials and electrolytic materials. 6. Электродный материал по п.5, где анодный материал выбирают из группы, включающей композиции, содержащие NiO и/или легированную двуокись циркония и/или легированную двуокись церия, в чистом виде или в смеси с Аl2О3, TiO2, Сr2O3, МgО, или анодным материалом является материал, выбранный из группы, включающей MasTi1-xMbxO3-δ, где Ма=La, Ba, Sr, Ca; Mb=V, Nb, Та, Mo, W, Th, U; и 0≤s≤0,5; или LnCr1-xMxO3-δ, где M=Ti, V, Mn, Nb, Mo, W, Th, U и Ln=лантаноиды; и где электролитический материал выбирают из группы, включающей легированную двуокись циркония, легированную двуокись церия, легированные галлаты и проводящие протон электролиты, в которых легирующими добавками являются Sc, Y, Се, Ga, Sm, Gd, Ca и/или любой элемент Ln (Ln=лантаноид) или их сочетания; и где катодный материал выбирают из группы, включающей (La1-xSrx)sMnO3-δ и (A1-xBx)sFe1-yCoyO3-δ, где А=La, Gd, Y, Sm, Ln или их смеси, и В=Ba, Sr, Ca или их смеси.6. The electrode material according to claim 5, where the anode material is selected from the group comprising compositions containing NiO and / or doped zirconium dioxide and / or doped cerium dioxide, in pure form or in a mixture with Al 2 O 3 , TiO 2 , Cr 2 O 3 , MgO, or the anode material is a material selected from the group consisting of Ma s Ti 1-x Mb x O 3-δ , where Ma = La, Ba, Sr, Ca; Mb = V, Nb, Ta, Mo, W, Th, U; and 0≤s≤0.5; or LnCr 1-x M x O 3-δ , where M = Ti, V, Mn, Nb, Mo, W, Th, U and Ln = lanthanides; and where the electrolyte material is selected from the group consisting of doped zirconia, doped cerium dioxide, doped gallates and proton-conducting electrolytes, in which the dopants are Sc, Y, Ce, Ga, Sm, Gd, Ca and / or any element of Ln (Ln = lanthanoid) or combinations thereof; and where the cathode material is selected from the group consisting of (La 1-x Sr x ) s MnO 3-δ and (A 1-x B x ) s Fe 1-y Co y O 3-δ , where A = La, Gd, Y, Sm, Ln, or mixtures thereof, and B = Ba, Sr, Ca, or mixtures thereof. 7. Электродный материал по п.5, где первым компонентом катода является LSCF или CGO и вторым компонентом является CGO или LSCF.7. The electrode material according to claim 5, where the first component of the cathode is LSCF or CGO and the second component is CGO or LSCF. 8. Электродный материал по п.5, где первым компонентом катода является LSC или CGO и вторым компонентом является CGO или LSC.8. The electrode material according to claim 5, where the first component of the cathode is LSC or CGO and the second component is CGO or LSC. 9. Электродный материал по п.5, где первым компонентом катода является LSM или SYSZ и вторым компонентом является SYSZ или LSM.9. The electrode material according to claim 5, where the first component of the cathode is LSM or SYSZ and the second component is SYSZ or LSM. 10. Электродный материал по п.5, где первым компонентом анода является NiO или SYSZ и вторым компонентом является SYSZ или NiO.10. The electrode material according to claim 5, where the first component of the anode is NiO or SYSZ and the second component is SYSZ or NiO. 11. Батарея твердооксидных топливных элементов, содержащая множество топливных элементов, содержащих электродный материал по любому из пп.1-10.11. A solid oxide fuel cell battery containing a plurality of fuel cells containing electrode material according to any one of claims 1 to 10. 12. Электроды для мембран для отделения кислорода, содержащие электродный материал по любому из пп.1-10.12. Electrodes for membranes for separating oxygen, containing electrode material according to any one of claims 1 to 10. 13. Электроды для мембран для отделения водорода, содержащие электродный материал по любому из пп.1-10.13. Electrodes for membranes for separating hydrogen, containing electrode material according to any one of claims 1 to 10. 14. Электролизер, содержащий электродный материал по любому из пп.1-10.14. An electrolyzer containing electrode material according to any one of claims 1 to 10. 15. Элемент для электрохимической очистки топливного газа, содержащий электродный материал по любому из пп.1-10. 15. An element for electrochemical purification of fuel gas containing electrode material according to any one of claims 1 to 10.
RU2008134994/09A 2007-08-31 2008-08-29 ELECTRODE MATERIAL AND ITS APPLICATION RU2008134994A (en)

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EP (1) EP2031679A3 (en)
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KR (1) KR20090023253A (en)
CN (1) CN101381880A (en)
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EP2031679A3 (en) 2009-05-27
EP2031679A2 (en) 2009-03-04
US20090061285A1 (en) 2009-03-05
JP2009064779A (en) 2009-03-26
AU2008207640A1 (en) 2009-03-19
CA2639228A1 (en) 2009-02-28
CN101381880A (en) 2009-03-11
KR20090023253A (en) 2009-03-04
AU2008207640B2 (en) 2012-03-01

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